Security tightened in Afghanistan following insurgent attack, injuring an untold number of soldier.

Third time in a week that insurgents have attacked Kandahar NATO base. As many as 100 insurgents — some with suicide vests — may have been involved — in the attack on the airfield. At least five rockets and mortars fire into the base. Small arms gunfire was also reported.

There are thousands of troops located at the air base, which is the largest in southern Afghanistan.